Research interests
Singularity theory of differentiable and real analytic maps
Higher education and employment history
Master of Science , University of Oslo 1977. PhD. Aarhus University 1983.
Research fellow University of Oslo 1977-1984.
Assistant professor University of Oslo 1984-85
Visiting associate professor University of Hawaii 1985-86
Associate professor University of Oslo 1986-1997
Professor University of Oslo since 1997